US 11,685,115 B2
Additive manufacturing with nozzles at different die widths
James R Przybyla, Corvallis, OR (US); Jason Hower, Corvallis, OR (US); Michael G Monroe, Corvallis, OR (US); and Galen P Cook, Corvallis, OR (US)
Assigned to Hewlett-Packard Development Company, L.P., Spring, TX (US)
Appl. No. 16/493,050
Filed by HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Spring, TX (US)
PCT Filed Mar. 12, 2018, PCT No. PCT/US2018/022036
§ 371(c)(1), (2) Date Sep. 11, 2019,
PCT Pub. No. WO2019/177578, PCT Pub. Date Sep. 19, 2019.
Prior Publication US 2021/0323228 A1, Oct. 21, 2021
Int. Cl. B29C 64/209 (2017.01); B33Y 30/00 (2015.01); B29C 64/165 (2017.01)
CPC B29C 64/209 (2017.08) [B29C 64/165 (2017.08); B33Y 30/00 (2014.12)] 17 Claims
OG exemplary drawing
 
1. An additive manufacturing nodule comprising:
an agent distributor to selectively distribute a fabrication agent onto layers of build material, wherein the agent distributor comprises:
at least one rectangular fluidic ejection die comprising:
a plurality of nozzles arranged into sets of nozzles on the at least one rectangular fluidic die ejection, wherein:
the nozzles in a set are arranged into angled columns along a die length and a die width,
the angled columns are arranged such that, for each set of neighboring nozzles, a respective subset of each set of neighboring nozzles are positioned at different die width positions,
each angled column is non-orthogonal to the die width and the die length,
the die width and the die length are orthogonal to one another, and
the nozzles in different sets are shifted mirrors of one another about an axis of symmetry along the die length:
for each respective nozzle of the plurality of nozzles, a respective ejection chamber fluidically coupled to a respective nozzle; and
for each respective ejection chamber, at least one respective fluid feed hole fluidically coupled to a respective ejection chamber;
wherein adjacent nozzles within an angled column have a pitch such that a resulting output of the adjacent nozzles overlap.